package com.wenhao.newfeature.map;

import java.util.HashMap;
import java.util.Map;

/**
 * @author Wenhao Tong
 * @create 2021-07-31 9:11
 */
public class MapDemo {
    public static void main(String[] args) {
        Map<String,String> map = new HashMap<>();
        map.put("1","1");
    }
}
